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City of Pleasanton–Spotorno Ranch Reduced Development Project <br />Environmental Checklist Initial Study/Consistency Checklist <br /> <br /> <br />124 FirstCarbon Solutions <br />https://adecinnovations.sharepoint.com/sites/PublicationsSite/Shared Documents/Publications/Client (PN-JN)/2148/21480021/Consistency Checklist/21480021 Spotorno Ranch Consistency Checklist ScreenCheck.docx <br />Zone 7 Salt Management Plan <br />In May 2004, Zone 7, in cooperation with the other agencies, published the Salt Management Plan to <br />address the increasing level of Total Dissolved Solids in the Main Basin. The Plan was approved by <br />the RWQCB in October 2004 and was incorporated into Zone 7’s Groundwater Management Plan in <br />2005. <br />Therefore, the proposed project would not result in any peculiar effects and would not result in new <br />or more severe impacts related to consistency with a water quality control plan or a sustainable <br />groundwater management plan beyond what was previously analyzed in the 1998 HVSP FEIR. <br />FEIR Mitigation Measures <br />The following mitigation measures were included the 1998 HVSP FEIR. These mitigation measures <br />will be carried forward as Conditions of Approval for the proposed project. <br />MM G1 Design and construction of the project must comply with the Alameda Countywide <br />Clean Water Program requirements for Best Management Practices to control non- <br />point source runoff pollutants. <br />Timing: Prior to approval of grading plans for the Golf Course and all residential <br />development projects in the Specific Plan Area. <br />MM G4 Along Alisal Street, cleaning of culverts and minor grading to improve existing <br />drainage conditions, and replacement of private driveway culverts at the corrected <br />grade at several locations along the street is required. <br />Timing: At construction of the water and sewer systems; then on an as-needed basis. <br />MM G5 The developer of the Spotorno Flat Area is required to replace crossroad drain lines <br />with properly sized culverts, improve site drainage by constructing an earthen vee <br />ditch with consistent fall (or other comparable improvement), and construct storm <br />water detention facilities on the Spotorno Flat Area. <br />Timing: Prior to acceptance of public improvements in the Spotorno Flat Area. <br />Conclusion <br />No new significant impacts to hydrology and water quality would occur. The conclusions from the <br />1998 HVSP FEIR remain unchanged.